CSNK1D and Parkinson disease: Regarding other types of PD, although Csnk1d and Csnk2 have been reported to be able to phosphorylate Nefl and α‐Synuclein (Okochi et al, 2000; Dzamko et al, 2014; Tenreiro et al, 2014; Rutherford et al, 2016), the involvement of Csnk1e has not been reported.